Patent SG-11201803909T-A (SG)
Title: Headtracking for parametric binaural output system and method
Inventor: BREEBAART DIRK JEROEN
IPC: H04S3/00
Filed: 2016-11-17
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property - Organization International Bureau irst0) (43) International Publication Date ..... ..sr ,„,„.1 26 May 2017(26.05.2017) WIPO I PCT ID Hit (10) WO International 2017/087650 1111111111111111111111111111111111111111111111111111111111111t111111111111111 Publication Number Al (51) International Patent Classification: 19, 90429 Nuremberg (DE). WILSON, Rhonda J.; do HO4S 3/00 (2006.01) Dolby Laboratories, Inc., 1275 Market Street, San Fran- cisco, California 94103 (US). (21) International Application Number: PCT/US2016/062497 (74) Agents: DOLBY LABORATORIES, INC. et al.; Intel- (22) International Filing Date: lectual Property Group, 1275 Market Street, San Francisco, 17 November 2016 (17.11.2016) California 94103 (US). (25) Filing Language: English (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (26) Publication Language: English AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, (30) Priority Data: DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, 62/256,462 17 November 2015 (17.11.2015) US HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, 15199854.9 14 December 2015 (14.12.2015) EP KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (71) Applicants: DOLBY LABORATORIES LICENSING MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, CORPORATION [US/US]; 1275 Market Street, San OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, Francisco, California 94103 (US). DOLBY INTERNA- SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TIONAL AB [SE/NL]; Apollo Building 3E Heriker- TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, bergweg 1-35, 1101 CN Amsterdam Zuidoost (NL). ZW. (72) Inventors: BREEBAART, Dirk Jeroen; c/o Dolby Aus- (84) Designated States (unless otherwise indicated, for every tralia Pty Ltd, 35 - 51 Mitchell Street McMahons Point kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, Level 3, Sydney, New South Wales NSW 2060 (AU). COOPER, David Matthew; Dolby Australia Pty Ltd, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, c/o 35 - 51 Mitchell Street McMahons Point Level 3, Sydney, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, New South Wales NSW 2060 (AU). DAVIS, Mark F.; c/o LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, Dolby Laboratories, Inc., 1275 Market Street, San Fran- SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, California 94103 (US). MCGRATH, David S.; cisco, c/o GW, KM, ML, MR, NE, SN, TD, TG). Dolby Australia Pty Ltd, 35 - 51 Mitchell Street, McMa- hons Point Level 3, Sydney, New South Wales NSW 2060 Published: (AU). KJOERLING, Kristofer; c/o Dolby Sweden AB, — 21(3)) with international search report (Art Gavlegatan 12A, 113 30 Stockholm (SE). MUNDT, Har- Dolby Germany GmbH, Deutschheiinstrasse 15 ald; c/o - [Continued on next page] (54) Title: HEADTRACKING FOR PARAMETRIC BINAURAL OUTPUT SYSTEM AND METHOD 20 4„. .-- 28 ,..-- 22 ---, / 29 Generate down- Down-mix A / k mix k Audio encoder ----0- Channel or (LeRo / LtRt) 24 object-based content 2 Avz Calciilate Weights Il Signal weights 1 \27 .4t Compute steered / 26 in dominant component Direction / position 1125 IN Ge 0 FIG. 2 N (57) : A method of encoding channel or object based input audio for playback, the method including the steps of: (a) ini - I-1 c:::, tially rendering the channel or object based input audio into an initial output presentation; (b) determining an estimate of the domin - N ant audio component from the channel or object based input audio and determining a series of dominant audio component weighting ega ) factors for mapping the initial output presentation into the dominant audio component; (c) determining an estimate of the dominant : 119 audio component direction or position; and (d) encoding the initial output presentation, the dominant audio component weighting factors, the dominant audio component direction or position as the encoded signal for playback. WO 2017/087650 Al IMMO11111 1111 IIIII 1111WN1111 111E111110011011111011110111111 — before the expiration of the time limit for amending the claims and amendments to be (Rule republished 48.2(h)) in the event of receipt of